Newton's Laws Test Review

Newton's first law is also called the:

• law of inertia

• law of mass

• f = ma law

• law of forward momentum

What force causes downward acceleration?

• applied force

• normal force

• friction force

• gravity force

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Which formula would you use to find the acceleration of a bike rider with a mass of 50kg who pushes off with a force of 25 Newtons.

• f = ma

• a = f *m

• m = f * a

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Which shows the correct substitutions would you use to find the acceleration of a bike rider with a mass of 50kg who pushes off with a force of 25 Newtons.

• a = 50 / 25

• a = 25 / 50

• f = 55 * 25

• m = 56 + 7

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What is the answer for the acceleration of a bike rider with a mass of 50kg who pushes off with a force of 25 Newtons.

• 100 m/s²

• 2 m/s²

• 0.5 m/s²

• 0.125 m/s²

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What is the net force?

• 800 N

• 600 N

• 400 N

• 400 N down

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What is the SI unit of force?

• Joules

• kilograms

• Newtons

• Isaac

What does stationary mean?

• moving

• not moving

If an object is stationary, how can you measure its inertia?

• force

• gravity

• mass

• density

Tags

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What type of friction acts between your bike tires and the ground as you ride?

• fluid friction

• static friction

• sliding friction

• rolling friction